Pneumatic-despatch-tube apparatus.



0. s) JENNINGS. I PNEUMATIC DESPATGHJTUBE APPARATUS Arrpfommn' riLEn JAN. s, 19oc.

Patented Dec, 28, 1909.

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CHESTER S. JENNINGS, 0F BBOOKLINE, HASSAGHUSETTS, ASSIGNOR '10 LAMSON CON- SOLIDATED STORESERVIGE CQMPANY, OF NEWARK. NEW JERSEY. A CORPORA- 'IION OF NEW JERSEY.

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T o ull'who-m it may concern: I

Be it known that I, CHESTER S. Jnmvmos, of Brookline, in the county of Suffolk and State of Massachusetts, have invented certain newand useful Improvements in Pneupneumatic despatch tube apparatus, and its principal objects are to enable a carrier to be despatched without breaking the air cir- ('uit; also to cushion and render noiseless the discharge of carriers from the terminals; also in the event of a carrier clog 'ng in the terminal, to supply means where y the air circuit may be switched to act directly upon the carrier in theterminal causlngit to propel-l discharged.

In t e' accompanying which illustrate a construction embodying my 111- vention, Figure 1 is a side elevation of the device partly in section shown in connection with a pneumatic despatch tube 5 stem.

Fig. 2 is a sectional view showing t e bypass valve open and air circuit switchdinto the terminal.

Like letters of reference referto like parts throughout the several views. v

The double valve terminal G is. connected with the transmission tube A and iscontrolled by valves T and E. The suction u tube B connects with the transmission tube A adjacent to'the valve T and is alsoc0nnected with the terminal C and adjacent valve E by means of the by-pass F. The byass F is controlled by the valve G operated liy the handle H. Carriers discharged from the terminal C are received in the receptacle S. The suction tube I is connected with the suction'tube B and is controlled by the bypass valve G. The transmission tube It 1s connected with the suction tube I by meansof the by-pass M and the valve N controls the said by-pass M. The despatching inlet J pivoted at V carries the section of the tube U which normally connects the transmission'tube R with the suction tube I. This inlet J is operated by the handle K andadapted to swing into alinement with either tube R or holder L. The crank arm 0 controlling the valve N is connected with the crank pin Q on the inlet J by the rod P. The direction of the air circuit is indicated by arrows.

Specification ofLettere Patent. Application filed January e, was. semi He. 284 ,8842.

Patented Dec. 28, 1909.-

The handle K is now pulled by the operator U is in alinement until the section of pipe with the holder L and the carrier drops into the inlet. In the meantime, the valve N is opened by means of thcconnecting rod P deflecting the air circuit through the by pass M. The inlet is now swung back into normal position closing thereby the valve N.

The air circuit now passing through the in let pipe U carries the carrier intothe trans mission tube R and thence to its destination.

bev A carrier passing through the transmission tube A passes through the valve T and into the terminal C. Upon entering the tube D at the lower end of said terminal, the velocity of the carrier is checked and the car- .rier cushioned by means of the air therein causing the carner'to discharge easily and quietly through the valve E and into the receptacle S. In the event of a carrier clogging within the'term'inal or tube D, the valve is moved from normal position as shown in Fig, 1, byirneansof the handle H, until it assumes a positionas shown in Fig. 2 switching the flow of air from the tube B through the curve C, tube D and by-pass F. This action dislodges and causes the carrier to be discharged through. the valve E.

Having thus described the nature of my invention, and set forth a construction embodying the same, what I claim as new and desire to secure by Letters Patent of th United States is: I

1. In a pneumatic despatch tube apparatus, a transmission tubeya double valve terminal connected therewith, a vacuum tube connected with. said "transmission tube adjacent to said terminal, and means for off communication of said vacuum ratus, a transmission tubeaa double va veitermmal connected therewith, a vacuum tube connected with saidftransmission tube adjacent to said terminal, a by-pass connecting said vacuum, tube with said ter minal, and. a valve normally closing said bypass and adaptedto cut off communication of said vacuum tube with said transmission tube thereby switching the fioW of air from said transmission tube through said terminal and said by-pass and into said vacuum tube.

3. In a pneumatic despatch tube apparatus, a transmission tube, a supply pipe, a pivoted or movable carrier holder normally in alinement with said transmission tube and said supply pipe and maintaining an air circuit therethrougli, means for supporting said pivoted holder, a stationary carrier holder, means for swinging said pivoted holder into alinement with said stationary holder whereby. the carrier enters the pivoted holder by gravity, a by-pass connecting said transmission tube with said supply pipe and normally closed, .means for automatically switching the air circuit through said by-pass when said pivoted carrier is out of alinement with said ransmission'tube, and automatically closing said bypass and switchin said air circuit through said pivoted hol er upon return of said holder to normal positionwhereby said carrier is despatched into said transit tube.

4. In a pneumatic despatch tube apparatus, a transmission tube, a valved tern'iinal connected therewith, a vacuum tube connected with said trans 'mssion tube ad acent lVitnesses:

H. D. WATERHoUsE, H. RJDUNBARH- 1 

